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The God who is transcendent also manifests his immanent presence to Moses as light and sound at the “Burning Bush” in the desert where he was tending his flock:
There the angel of the LORD appeared to him in flames of fire from within a bush. Moses saw that though the bush was on fire it did not burn up. So Moses thought, "I will go over and see this strange sight-why the bush does not burn up.” When the LORD saw that he had gone over to look, God called to him from within the bush, "Moses! Moses!" And Moses said, "Here I am.”
"Do not come any closer," God said. "Take off your sandals, for the place where you are standing is holy ground." Then he said, “I am the God of your father, the God of Abraham, the God of Isaac and the God of Jacob.” (Exodus 3:1-3)
Later, Moses meets with God on the top of Mt. Sinai. This experience is also related in terms of light and sound.
After his first encounter with God on Mt. Sinai, Moses tells the people and they experience the power and majesty of God's presence.
On the morning of the third day there was thunder and lightning, with a thick cloud over the mountain, and a very loud trumpet blast. Everyone in the camp trembled. Then Moses led the people out of the camp to meet with God, and they stood at the foot of the mountain. . . And the sound of the trumpet grew louder
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